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Lupus (Systemic Lupus Erythematosus)

Systemic Lupus Erythematosus, usually referred to as SLE or lupus, is sometimes labeled the “great imitator.” Why? Because of its wide variety of symptoms, it can often be confused with other disorders. Lupus, which affects the joints, kidneys, and skin, can be fatal. However, there is much reason for hope. Improvements in therapy have significantly increased these patients’ quality of life and their life expectancy.

Fast facts

Lupus affects 10 times as many women as men.

Treatment depends on the symptoms and their severity.

• Because it is a complex disease, lupus requires treatment by a rheumatologist and the patient’s active participation in working towards good health.

What is lupus?

Lupus or SLE is a chronic inflammatory disease that can affect the skin, joints, kidneys, lungs, nervous system, and other organs of the body. Usually, patients have skin rashes and arthritis, as well as fatigue and fever. Lupus attacks can vary from mild to severe, and usually alternate between periods of activity and periods when the disease is mostly quiet.

What causes lupus?

The immune system normally protects the body by producing antibodies that attack foreign germs and cancers. With lupus, the immune system misfires. Instead of producing protective antibodies, the autoimmune disorder begins manufacturing “auto-antibodies” which attack the patient’s own tissues. (Doctors refer to this as a “loss of self tolerance.”)

As the attack continues, other immune system cells join the fight. This leads to inflammation and blood vessel abnormalities. These antibodies then end up in the immune system of cells in organs where they cause tissue damage.

Why this inflammatory reaction begins is not known. It is probably the result of a combination of inherited tendencies and environmental factors (such as viruses, the ultraviolet rays in sunlight, Silica dust, and allergies to medications). People affected by lupus may also have an impaired process for clearing old and damaged cells from the body, which then causes an abnormal reaction in the immune system.

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